Dr David Okai
Dr David Okai
Institute of Psychiatry, Psychology and Neuroscience
Verified email at
Cited by
Cited by
Mental capacity in psychiatric patients: systematic review
D Okai, G Owen, H McGuire, S Singh, R Churchill, M Hotopf
The British Journal of Psychiatry 191 (4), 291-297, 2007
Cognitive psychology
N Braisby, A Gellatly
Oxford University Press, 2012
The psychopathology of NMDAR-antibody encephalitis in adults: a systematic review and phenotypic analysis of individual patient data
A Al-Diwani, A Handel, L Townsend, T Pollak, MI Leite, PJ Harrison, ...
The Lancet Psychiatry 6 (3), 235-246, 2019
Trial of CBT for impulse control behaviors affecting Parkinson patients and their caregivers
D Okai, S Askey-Jones, M Samuel, SS O’Sullivan, KR Chaudhuri, ...
Neurology 80 (9), 792-799, 2013
Cognitive function and advanced kidney disease: longitudinal trends and impact on decision-making
O Iyasere, D Okai, E Brown
Clinical kidney journal 10 (1), 89-94, 2017
Cognitive–behavioural therapy for non-motor symptoms of Parkinson's disease: a clinical review
I Koychev, D Okai
BMJ Ment Health 20 (1), 15-20, 2017
Scales to assess impulsive and compulsive behaviors in Parkinson's disease: critique and recommendations
AH Evans, D Okai, D Weintraub, SY Lim, SS O'Sullivan, V Voon, P Krack, ...
Movement disorders 34 (6), 791-798, 2019
Impulse control disorders in Parkinson disease and RBD: a longitudinal study of severity
F Baig, MJ Kelly, MA Lawton, C Ruffmann, M Rolinski, JC Klein, T Barber, ...
Neurology 93 (7), e675-e687, 2019
Dopamine and reward hypersensitivity in Parkinson’s disease with impulse control disorder
DS Drew, K Muhammed, F Baig, M Kelly, Y Saleh, N Sarangmat, D Okai, ...
Brain 143 (8), 2502-2518, 2020
Impulse control disorders and dopamine dysregulation in Parkinson’s disease: a broader conceptual framework
D Okai, M Samuel, S Askey‐Jones, AS David, RG Brown
European journal of neurology 18 (12), 1379-1383, 2011
The role of self-awareness and cognitive dysfunction in Parkinson’s disease with and without impulse-control disorder
J Mack, D Okai, RG Brown, S Askey-Jones, KR Chaudhuri, A Martin, ...
The Journal of neuropsychiatry and clinical neurosciences 25 (2), 141-149, 2013
Personality and addictive behaviours in early Parkinson's disease and REM sleep behaviour disorder
F Baig, MA Lawton, M Rolinski, C Ruffmann, JC Klein, K Nithi, D Okai, ...
Parkinsonism & Related Disorders 37, 72-78, 2017
Spectrum of impulse control behaviours in Parkinson’s disease: pathophysiology and management
MJ Kelly, F Baig, MTM Hu, D Okai
Journal of Neurology, Neurosurgery & Psychiatry 91 (7), 703-711, 2020
Residual fatigue and cognitive deficits in patients after leucine-rich glioma-inactivated 1 antibody encephalitis
SNM Binks, M Veldsman, A Easton, MI Leite, D Okai, M Husain, SR Irani
JAMA neurology 78 (5), 617-619, 2021
Predictors of response to a cognitive behavioral intervention for impulse control behaviors in Parkinson's disease
D Okai, S Askey‐Jones, M Samuel, AS David, RG Brown
Movement Disorders 30 (5), 736-739, 2015
Parkinson's impulse‐control scale for the severity rating of impulse‐control behaviors in Parkinson's disease: a semistructured clinical assessment tool
D Okai, S Askey‐Jones, J Mack, A Martin, KR Chaudhuri, M Samuel, ...
Movement Disorders Clinical Practice 3 (5), 494-499, 2016
Assessment of impulse control disorders in Parkinson's patients with infusion therapies: a single center experience
A Todorova, A Martin, D Okai, M Samuel, R Brown, A David, K Chaudhuri
Movement Disorders 28, S133-S134, 2013
Members of the International Parkinson and Movement Disorder Society (IPMDS) Rating Scales Review Committee. Scales to assess impulsive and compulsive behaviors in Parkinson’s …
AH Evans, D Okai, D Weintraub, SY Lim, SS O’Sullivan, V Voon, P Krack, ...
Mov Disord 34 (6), 791-8, 2019
Distinguishing psychogenic nonepileptic, mixed, and epileptic seizures using systemic measures and reported experiences
A Deli, YG Huang, M Toynbee, S Towle, JE Adcock, T Bajorek, D Okai, ...
Epilepsy & Behavior 116, 107684, 2021
Mental capacity
G Owen, D Okai, M Hotopf
Psychiatry 6 (2), 69-71, 2007
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